The Ferment journal

Plain, calm answers to the questions that come up when you start fermenting at home. What is normal, what is not, and how to get a good batch every time. Your first ferment, without the fear.

Getting started

Sauerkraut

Salt and brine

Troubleshooting

On the App Store

Ferment for iPhone

This page is the free version. The app runs these numbers for every batch you start, sends a reminder when it’s ready, and shows you side-by-side photos so you can tell mold from kahm in seconds.

Get it on the App Store

7-day free trial, then $29.99/year or $4.99/month. Cancel anytime.

Batch tips in your inbox

Salt ratios, the mold-vs-kahm photo guide, and the occasional new post. No spam, unsubscribe anytime.